If you’re rocking an unlocked phone, it would behoove you to stick to the tried and true suggestions from the Dev Team to stay away from official updates. AT&T has recently started sending out mass text messages urging customers to update to iOS 4.2.

Why would they do this? Since AT&T is already on the cusp of losing quite a few users to Verizon’s iPhone once it is released, the company is in a frenzy trying to convince customers to stick with them…